Home / 835,781.72-1,153,346.40-453,799.76

Finding the Fourth Proportional to 835,781.72, 1,153,346.40 and 453,799.76

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Solution

The fourth proportional to 835,781.72, 1,153,346.40 and 453,799.76 is: 626,226.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,781.72 : 1,153,346.40 = 453,799.76 : x
  2. Step 2: Convert to fraction form
    835,781.72/1,153,346.40 = 453,799.76/x
  3. Step 3: Cross multiply
    835,781.72x = 1,153,346.40 × 453,799.76
  4. Step 4: Simplify right side
    835,781.72x = 523,388,313,750.13
  5. Step 5: Solve for x
    x = 523,388,313,750.13/835,781.72
  6. Step 6: Final answer
    x = 626,226.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.